Causal
strong strength
Narrative Connection
How these two moments in the story relate
From
Doctor sabotages Damon in lab escape
S4E20
·
The Underwater Menace Part 2
To
Doctor exposes Zaroff’s fish-people labor scheme
S4E20
·
The Underwater Menace Part 2
Why These Connect
The narrative assertion
"Damon revealing Zaroff's fish-person creating motivates the Doctor to create a gas that incapacitates Damon to escape the laboratory."
About Causal Connections
A directly causes B. The first event sets forces in motion that produce the second. These are the load-bearing connections of plot--remove one and the story structure collapses.